Ancient artifact.

septarian nodules:
Formation:
They form when mineral-rich mud accumulates around a center mass, often a marine organism. As the mud dries, it cracks, and these cracks fill with minerals like calcite (yellow) and aragonite (brown).
Age:
Most septarian nodules formed during the Cretaceous period, between 50 and 70 million years ago.
Composition:
They typically consist of a limestone exterior, with calcite and aragonite filling the interior cracks.
Appearance:
Septarian nodules are known for their distinctive patterns of cracks and mineral infills.
Location:
They are often found in Utah and other areas with ancient marine basins.
Uses:
They are used as decorative pieces, for collecting, and sometimes in metaphysical practices.
Septarian nodules are unique geological formations that showcase the Earth's ancient history through their intricate patterns and mineral compositions.

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